1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools.sql;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.StringUtil;
27  
28  import java.io.BufferedReader;
29  import java.io.IOException;
30  import java.io.StringReader;
31  
32  /**
33   * <a href="SQLServerUtil.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Alexander Chow
36   * @author Sandeep Soni
37   * @author Ganesh Ram
38   */
39  public class SQLServerUtil extends DBUtil {
40  
41      public static DBUtil getInstance() {
42          return _instance;
43      }
44  
45      public String buildSQL(String template) throws IOException {
46          template = convertTimestamp(template);
47          template = replaceTemplate(template, getTemplate());
48  
49          template = reword(template);
50          template = StringUtil.replace(template, "\ngo;\n", "\ngo\n");
51          template = StringUtil.replace(
52              template,
53              new String[] {"\\\\", "\\'", "\\\"", "\\n", "\\r"},
54              new String[] {"\\", "''", "\"", "\n", "\r"});
55  
56          return template;
57      }
58  
59      public boolean isSupportsAlterColumnType() {
60          return _SUPPORTS_ALTER_COLUMN_TYPE;
61      }
62  
63      protected SQLServerUtil() {
64          super(TYPE_SQLSERVER);
65      }
66  
67      protected String buildCreateFileContent(String databaseName, int population)
68          throws IOException {
69  
70          String suffix = getSuffix(population);
71  
72          StringBuilder sb = new StringBuilder();
73  
74          sb.append("drop database " + databaseName + ";\n");
75          sb.append("create database " + databaseName + ";\n");
76          sb.append("\n");
77          sb.append("go\n");
78          sb.append("\n");
79          sb.append("use " + databaseName + ";\n\n");
80          sb.append(
81              FileUtil.read(
82                  "../sql/portal" + suffix + "/portal" + suffix +
83                      "-sql-server.sql"));
84          sb.append("\n\n");
85          sb.append(FileUtil.read("../sql/indexes/indexes-sql-server.sql"));
86          sb.append("\n\n");
87          sb.append(FileUtil.read("../sql/sequences/sequences-sql-server.sql"));
88  
89          return sb.toString();
90      }
91  
92      protected String getServerName() {
93          return "sql-server";
94      }
95  
96      protected String[] getTemplate() {
97          return _SQL_SERVER;
98      }
99  
100     protected String reword(String data) throws IOException {
101         BufferedReader br = new BufferedReader(new StringReader(data));
102 
103         StringBuilder sb = new StringBuilder();
104 
105         String line = null;
106 
107         while ((line = br.readLine()) != null) {
108             if (line.startsWith(ALTER_COLUMN_NAME)) {
109                 String[] template = buildColumnNameTokens(line);
110 
111                 line = StringUtil.replace(
112                     "exec sp_rename '@table@.@old-column@', '@new-column@', " +
113                         "'column';",
114                     REWORD_TEMPLATE, template);
115             }
116             else if (line.startsWith(ALTER_COLUMN_TYPE)) {
117                 String[] template = buildColumnTypeTokens(line);
118 
119                 line = StringUtil.replace(
120                     "alter table @table@ alter column @old-column@ @type@;",
121                     REWORD_TEMPLATE, template);
122             }
123 
124             sb.append(line);
125             sb.append("\n");
126         }
127 
128         br.close();
129 
130         return sb.toString();
131     }
132 
133     private static String[] _SQL_SERVER = {
134         "--", "1", "0",
135         "'19700101'", "GetDate()",
136         " image", " bit", " datetime",
137         " float", " int", " bigint",
138         " varchar(2000)", " text", " varchar",
139         "  identity(1,1)", "go"
140     };
141 
142     private static boolean _SUPPORTS_ALTER_COLUMN_TYPE;
143 
144     private static SQLServerUtil _instance = new SQLServerUtil();
145 
146 }